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Finding the Fourth Proportional to 84,089.82, 116,043.48 and 46,364.10

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Solution

The fourth proportional to 84,089.82, 116,043.48 and 46,364.10 is: 63,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,089.82 : 116,043.48 = 46,364.10 : x
  2. Step 2: Convert to fraction form
    84,089.82/116,043.48 = 46,364.10/x
  3. Step 3: Cross multiply
    84,089.82x = 116,043.48 × 46,364.10
  4. Step 4: Simplify right side
    84,089.82x = 5,380,251,511.07
  5. Step 5: Solve for x
    x = 5,380,251,511.07/84,089.82
  6. Step 6: Final answer
    x = 63,982.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.